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Rus_ich [418]
3 years ago
6

carmen draws this area model to help her divide 1800 by 9. she say the quotient is 20. does carmen model make sense​

Mathematics
2 answers:
SpyIntel [72]3 years ago
6 0

Answer:

No

Step-by-step explanation:

the quotient is 200, not 20

nataly862011 [7]3 years ago
3 0

Answer:

Carmen's model does not make sense.

Step-by-step explanation:

Take away the two zeros in 1800 then it will become 18 so 18 divided by 9 = 2. Plug in the two zeros from 1800 hundred to the 2 and your answer would be 200. Or you can just divide 1800 by nine.

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I’m so confused. what is part B?
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Answer:sorry

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3 years ago
3.8 km/sec to miles/year <br><br> HELP ASAP
Leokris [45]
Hope this picture helps! ;) Ignore the stuff around it ($12 or the triangle)

6 0
2 years ago
The ratio of the width to the length of a flower is 10:19. How long is the flower bed if it’s width is 6 feet?
Lubov Fominskaja [6]
Just set up an equation comparing the two ratios and solve for the length, in this case x.

(10/19)=(6/x)
19/10=x/6
114/10=x

Answer= 11.4 feet for the length of the flower
6 0
3 years ago
How many different ways can you make 82 cents using current u.s. currency
andrew11 [14]
 <span>You can probably just work it out. 

You need non-negative integer solutions to p+5n+10d+25q = 82. 

If p = leftovers, then you simply need 5n + 10d + 25q ≤ 80. 


So this is the same as n + 2d + 5q ≤ 16 

So now you simply have to "crank out" the cases. 

Case q=0 [ n + 2d ≤ 16 ] 

Case (q=0,d=0) → n = 0 through 16 [17 possibilities] 
Case (q=0,d=1) → n = 0 through 14 [15 possibilities] 
... 
Case (q=0,d=7) → n = 0 through 2 [3 possibilities] 
Case (q=0,d=8) → n = 0 [1 possibility] 

Total from q=0 case: 1 + 3 + ... + 15 + 17 = 81 

Case q=1 [ n + 2d ≤ 11 ] 
Case (q=1,d=0) → n = 0 through 11 [12] 
Case (q=1,d=1) → n = 0 through 9 [10] 
... 
Case (q=1,d=5) → n = 0 through 1 [2] 

Total from q=1 case: 2 + 4 + ... + 10 + 12 = 42 

Case q=2 [ n + 2 ≤ 6 ] 
Case (q=2,d=0) → n = 0 through 6 [7] 
Case (q=2,d=1) → n = 0 through 4 [5] 
Case (q=2,d=2) → n = 0 through 2 [3] 
Case (q=2,d=3) → n = 0 [1] 

Total from case q=2: 1 + 3 + 5 + 7 = 16 

Case q=3 [ n + 2d ≤ 1 ] 
Here d must be 0, so there is only the case: 
Case (q=3,d=0) → n = 0 through 1 [2] 

So the case q=3 only has 2. 

Grand total: 2 + 16 + 42 + 81 = 141 </span>
3 0
3 years ago
Factor the expression k^2+5kf-50f^2
Llana [10]

Answer:

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Step-by-step explanation:

k^2+5kf-50f^2

What 2 numbers multiply to -50 and add to +5

10 *-5 = -50

10+-5 = 5

(k+10f) (k-5f)

8 0
3 years ago
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